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Question

When light undergoes refraction, the wavelength _____.


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Solution

Refraction:

  1. Refraction is a phenomenon that happens when a light wave that is incident at an angle different from the normal passes through a medium and experiences a change in velocity.
  2. When light transitions from the faster-moving air to the slower-moving glass, it is refracted.
  3. Although the path of the light changes as it travels through a material, it still does so.
  4. When passing through anything other than a vacuum, light can only move at its maximum speed of the speed of light.
  5. The pace at which different materials slow down light varies.
  6. Light doesn't alter its frequency as it refracts, but because its speed does, the wavelength must also alter.
  7. When light transitions from the faster-moving air to the slower-moving glass, it is refracted.
  8. The wavelength of the light changes when the light speed varies at the interface.
  9. As light enters the medium and the direction of the light wave changes, the wavelength decreases.
  10. Finally, When light experiences refraction, the wavelength shortens in the denser material.

Therefore, when light undergoes refraction, the wavelength decreases in a denser medium.


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